Alaska Airlines flight AS 3420: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu,Fri 11:25 Seattle-Tacoma (SEA) 12:30 Vancouver (YVR) M
AS 3420 Non-stop Embraer EMB 175 (E75) 1:05 Effective 2026-02-12 through 2026-03-17
Daily 12:30 San Diego (SAN) 2 14:24 Santa Rosa (STS)
AS 3420 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2026-03-18 through 2026-08-18
Daily 12:58 Kalispell (FCA) 14:00 Portland (PDX)
AS 3420 Non-stop Embraer EMB 175 (E75) 2:02 Valid until 2026-01-06
Daily 15:04 Santa Rosa (STS) 16:45 San Diego (SAN) 2
AS 3420 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-03-18 through 2026-08-18
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 3420: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS3420
11:25
Seattle-Tacoma (SEA)

12:30
Vancouver (YVR) M
Effective 2026-02-12 through 2026-03-17
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS3420
12:30
San Diego (SAN) 2

14:24
Santa Rosa (STS)
Effective 2026-03-18 through 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS3420
12:58
Kalispell (FCA)

14:00
Portland (PDX)
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Direct Flights:
Alaska Airlines AS3420
15:04
Santa Rosa (STS)

16:45
San Diego (SAN) 2
Effective 2026-03-18 through 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Kalispell (FCA) - Portland (PDX)
  • San Diego (SAN) - Santa Rosa (STS)
  • Seattle-Tacoma (SEA) - Vancouver (YVR)
All Alaska Airlines flights
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